neher2128 neher2128

04-04-2016
Chemistry

contestada

What is the mass of 2.90 ×1022 molecules of NaOH (Molar mass = 40.0 g/mol)?

Respuesta :

Willchemistry Willchemistry

04-04-2016

40.0 g ( 1 mole ) --------------- 6.02x10²³ molecules
? ? --------------------------- 2.90x10²² molecules

mass = 2.90x10²² * 40.0 / 6.02x10²³

mass = 1.16x10²⁴ / 6.02x10²³

mass = 1.9269 g

hope this helps!

Answer Link

Otras preguntas

If a sprinkler waters 1 over 12 of a lawn in 1 over 4 hour, how much time will it take to water the entire lawn? A) 1/6 hour B) 1/3 hour C) 2 hours D) 3 hours

in terms of managing social networks, organizational leaders should:

A blockage of which branch of the aortic arch would interfere with blood flow to the left arm

Flexibility can be influenced by internal and external factors. In a paragraph, summarize which type of factor you feel is easier to control.

the traditions of the Ghana people and their ancestors are still an important part of daily life

name all of the ninja turtles or the artists

1 tenth less than 750

Help on how to figure this out

Which relationship is shown in the graph? competitive exclusion relationship habitat-niche relationship biotic-abiotic relationship predator-prey relationship

Which of the following would most likely be an entry in a topic outline? A. Toys children love B. Toys can be gender-neutral. C. Quality toys should requi